from operator import truediv

a=10
print(type(a))
b=5.6
print(type(b))
c='a'
print(type(c))


d='hello'
#求字符串长度
print(len(d))

a1='hello'
a2='world'   #字符串拼接
print(a1+a2)


c1=True
c2=False
print(type(c1))
print(type(c2))
